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/*
getDaysYearsBad belongs to Microsoft... subject to their EULA, blah, blah, blah.

Fixes by grepMonster - do with it what you will.
*/


#include <stdio.h>

#define true 1
#define false 0

typedef int bool;

typedef struct daysYears
{
  int days;
  int years;
} daysYears;

daysYears* getDaysYears(daysYears* dy)
{
  int daysInYear = isLeapYear(dy->years) ? 366 : 365;

  //base case
  if (dy->days <= daysInYear)
  {
    return dy;
  }
  else
  {
    //recursive case
    dy->days -= daysInYear;
    dy->years++;

    return getDaysYears(dy);
  }
}

daysYears* getDaysYearsBad(daysYears* dy)
{
  while (dy->days > 365)
  {
    if (isLeapYear(dy->years))
    {
      if (dy->days > 366)
      {
        dy->days -= 366;
        dy->years += 1;
      }
    }
    else
    {
      dy->days -= 365;
      dy->years += 1;
    }
  }

  //end of function
}

bool isLeapYear(int year)
{
  if (year % 400 ==0)
  {
    return true;
  }
  else if (year % 100 == 0)
  {
    return false;
  }
  else if (year % 4 == 0)
  {
    return true;
  }
  else
  {
    return false;
  }
}

int main(int argc, char* argv[])
{
  if (argc != 3)
  {
    fprintf(stderr, "syntax \"days_years <g|b> <days>\"\n");
    return 1;
  }

  char goodBad = *argv[1];
  int days = atoi(argv[2]);
  const int ORIGIN_YEAR = 1980;

  daysYears dy;
  dy.days = days;
  dy.years = ORIGIN_YEAR;

  if (goodBad == 'g')
  {
    getDaysYears(&dy);
  }
  else if (goodBad == 'b')
  {
    getDaysYearsBad(&dy);
  }
  else
  {
    fprintf(stderr, "syntax \"days_years <g|b> <days>\"\n");
    return 1;
  }

  printf("years: %d, days: %d\n", dy.years, dy.days);

  return 0;
}